Army extension courses. Special text : Mess management / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses Army extension courses. Special text : Weapons and musketry / prep. under the dir. of the Chief of Infantry for use with the Extension Course … war department technical manual Instruction guide : generating unit M 1 / prepared under direction of the chief of ordnance war department technical manual Power units PE-75-A and PE-75-B war department technical manual Light standard and standard unit steel trestles war department technical manual Maintenance manual and parts catalog, power control unit, model HN field manual Medical department units of a theater of operations training regulations Weapons / War Department : Browning tank machine gun, caliber .30, model of 1919 / War Department Reel unit RL-26 Army extension courses. Special text : Administration / prep. under the dir. of the Adjutant General for use with the Army Extension Courses Army extension courses. Special text : Mess management / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses Army extension courses. Special text : Defensive combat and organization of the ground / prep. under the dir. of the Chief of Infantry for use …